| Doctor Pius  Oba SENIOR LECTURER
 | Graduate School of Business Administration | Pius.Oba@wits.ac.za | 0117173976 | 
| Doctor Emmanuel  Obasa SENIOR LECTURER
 | Molecular Medicine And Haematology | emmanuel.obasa@wits.ac.za | 0114898812 | 
| Doctor Joy  Obi POST DOCTORAL FELLOW
 | Wits School of Education | joy.obi@wits.ac.za | 0117171000 | 
| Doctor Amarachukwu  Obiaka ASSOCIATE LECTURER
 | Family Medicine | amarachukwu.obiaka@wits.ac.za | 0119534515 | 
| Doctor Chinaka  Obidike LECTURER
 | Urology (Johannesburg Hospital) | Chinaka.Obidike@wits.ac.za | 0117179999 | 
| Doctor Lisa  October SENIOR LECTURER
 | School of Chemical and Metallurgical Engineering | lisa.october@wits.ac.za | 0117177570 | 
| Doctor Nathan  October ASSOCIATE LECTURER
 | General Surgery (Johannesburg Hospital) | Nathan.October@wits.ac.za |  | 
| Associate Professor Jones  Odei-Mensah ASSOCIATE PROFESSOR
 | Graduate School of Business Administration | jones.odei-mensah@wits.ac.za | 0117173997 | 
| Ms Karen  Odendaal SENIOR LECTURER
 | School of Accountancy | karen.odendaal@wits.ac.za | 0117178185 | 
| Professor Clifford  Odimegwu HEAD: DPS PROGRAMME
 | School of Public Health | Clifford.Odimegwu@wits.ac.za | 0117174056 | 
| Doctor Diana  Ofana POST DOCTORAL RESEARCH FELLOW
 | Philosophy | diana.ofana@wits.ac.za | 0117174345 | 
| Doctor Mieszko  Ogonowski ASSOCIATE LECTURER
 | Otorhinolaryngology (Chris Hani Baragwanath Hospital) | mieszko.ogonowski@wits.ac.za | 0117171000 | 
| Doctor Babatunde  Ogunrombi LECTURER
 | General Surgery (Johannesburg Hospital) | babatunde.ogunrombi@wits.ac.za | 0117171000 | 
| Doctor Nneka  Ohanson LECTURER
 | Family Medicine | Nneka.Ohanson@wits.ac.za | 0117172785 | 
| Professor Emeritus Kalu  Ojah PROFESSOR EMERITUS
 | Graduate School of Business Administration | Kalu.Ojah@wits.ac.za | 0117173764 |